/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/* Generated By:JJTree: Do not edit this line. AstString.java */

package org.apache.el.parser;

import javax.el.ELException;

import org.apache.el.lang.EvaluationContext;

/**
 * @author Jacob Hookom [jacob@hookom.net]
 * @version $Id: AstString.java 1004434 2010-10-04 21:16:55Z markt $
 */
public final class AstString extends SimpleNode {
	public AstString(int id) {
		super(id);
	}

	private volatile String string;

	public String getString() {
		if (this.string == null) {
			this.string = this.image.substring(1, this.image.length() - 1);
		}
		return this.string;
	}

	public Class getType(EvaluationContext ctx) throws ELException {
		return String.class;
	}

	public Object getValue(EvaluationContext ctx) throws ELException {
		return this.getString();
	}

	public void setImage(String image) {
		if (image.indexOf('\\') == -1) {
			this.image = image;
			return;
		}
		int size = image.length();
		StringBuffer buf = new StringBuffer(size);
		for (int i = 0; i < size; i++) {
			char c = image.charAt(i);
			if (c == '\\' && i + 1 < size) {
				char c1 = image.charAt(i + 1);
				if (c1 == '\\' || c1 == '"' || c1 == '\'') {
					c = c1;
					i++;
				}
			}
			buf.append(c);
		}
		this.image = buf.toString();
	}
}
